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What is the point of interfaces in PHP?

...can create. They define what methods a class must have, but you can create extra methods outside of those limitations. I'm not sure what you mean by not being able to add code to methods - because you can. Are you applying the interface to an abstract class or the class that extends it? A method ...
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What is the combinatory logic equivalent of intuitionistic type theory?

...uction we know.) Combinator Syntax and Normalization Anyhow, we have two extra symbols, Pi and Set, so we might perhaps manage a combinatory translation with S, K and two extra symbols: I chose U for the universe and P for the product. Now we can define the untyped combinatory syntax (with free v...
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What's the difference between a Python “property” and “attribute”?

... @martineau: Well, there's one extra function call, but most likely the extra work and time will depend on how much the property is doing (general advice: do /not/ use properties to hide I/O). – Ethan Furman Jun 25 '...
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Export query result to .csv file in SQL Server 2008

..., this does not properly quote text for CSV. A comma or new line within a CHAR/VARCHAR should be quoted, but is not. That causes data to shift into new columns or into a new line. – Eric J. Dec 7 '14 at 22:08 ...
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Using member variable in lambda capture list inside a member function

... The solution might make an unnecessary extra copy of grid though it probably gets optimized out. Shorter and better is: auto& tmp = grid; etc. – Tom Swirly Aug 10 '15 at 17:49 ...
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How do I tell git-svn about a remote branch created after I fetched the repo?

... This will fetch ALL the remote branches that have not been fetched yet. Extra tip: if you checked out only the trunk at first, and later you want to track ALL branches, then edit .git/config to look like this and re-run git svn fetch: [svn-remote "svn"] url = https://svn/path_to_repo_roo...
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How to check if element exists using a lambda expression?

... } return false; } public boolean containsTabById(TabPane tabPane, String id) { return containsByLambda(tabPane.getTabs(), z -> z.getId().equals(id)); } ... if (containsTabById(tabPane, idToCheck))) { ... } ...
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How to return multiple lines JSX in another return statement in React?

...act/blog/2017/09/26/react-v16.0.html#new-render-return-types-fragments-and-strings EDIT: React 16.2 lets you surround a list of elements with <Fragment>…</Fragment> or even <>…</>, if you prefer that to an array: https://blog.jmes.tech/react-fragment-and-semantic-html/ ...
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Use of var keyword in C#

...e is incredibly ugly because of all the redundancy: Dictionary<string, List<int>> mylists = new Dictionary<string, List<int>>(); And that's a simple example – I've written worse. Any time you're forced to type exactly the same thing twice, that's a redun...
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What are metaclasses in Python?

...ell, I guess it's a matter of consistency with str, the class that creates strings objects, and int the class that creates integer objects. type is just the class that creates class objects. You see that by checking the __class__ attribute. Everything, and I mean everything, is an object in Python. ...